Keep informed of all exciting Honeywell Home developments on our News page. Details are updated every month.

Animated image for signup page


Sign up for exclusive updates about products and services, news and events, and special offers by marketing communications

MARCH 2020
Techical Desk Open For Business

Resideo Technical Support

Dear Installer

We thought it was appropriate to provide you with information about how you can currently access Technical Support for all Honeywell Home Heating and Water products

Help is available in a number of ways:

Technical Support Phone Numbers

Contact our dedicated Technical support line on 0300 130 1299 

For App and Internet Issues select Option 2  

For other technical enquiries select Option 3 

Tell your customers if they wish to ring directly, they can select Option 1

We currently have Technical Support colleagues available to help you Monday to Thursday 09.00 am to 17.00 am and 09.00 am to 16.00 on Fridays

Our Digital help


Our website

Supporting information including wiring diagrams are available via the Professional Zone on

Support videos can also be seen here, or on our YouTube channel – please search for the advice that you need using all the usual search engines

The Honeywell Wiring Guide App and Installer Assistant are also available on iTunes and the Play Store.  Search for ‘Wiring Guide’ or ‘Installer Assistance’ to download.

 Also, our wiring guide can be downloaded from the website above


 If your enquiry is not urgent, click here to submit an enquiry. (Link the here to

 We are constantly monitoring emails – so please contact us using the link above

Thank you for working with us and also installing Honeywell Home products



The Resideo Technical Team